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| author | Guido van Rossum <guido@python.org> | 1992-08-20 11:51:47 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1992-08-20 11:51:47 (GMT) |
| commit | 9a35d57ab2d1f2a8eafd0d487ac8166c93db0a5a (patch) | |
| tree | 2bc1950ff04a3adc24cc3d253dd86d38a4df1a17 /Demo | |
| parent | dfb61fa2cb0ba55133e9aecf3ad8008d9cf694a7 (diff) | |
| download | cpython-9a35d57ab2d1f2a8eafd0d487ac8166c93db0a5a.zip cpython-9a35d57ab2d1f2a8eafd0d487ac8166c93db0a5a.tar.gz cpython-9a35d57ab2d1f2a8eafd0d487ac8166c93db0a5a.tar.bz2 | |
Added reopen() to VinFile with semantics of old rewind(); rewind() now
saves the cache.
Added getinfo() to VoutFile.
Fixed writing of 'grey' file header.
Added quiet parameter.
Adapted to new syntax.
Diffstat (limited to 'Demo')
| -rwxr-xr-x | Demo/sgi/video/VFile.py | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/Demo/sgi/video/VFile.py b/Demo/sgi/video/VFile.py index 5b9cd01..d63911b 100755 --- a/Demo/sgi/video/VFile.py +++ b/Demo/sgi/video/VFile.py @@ -32,6 +32,7 @@ def conv_rgb8(rgb,d1,d2): # It has the following methods: # init(filename) # initfp(fp, filename) +# reopen() # rewind() # getnextframe() # skipnextframe() @@ -69,6 +70,7 @@ class VinFile: self.skipchrom = 0 self.fp = fp self.filename = filename + self.quiet = 0 # line = self.fp.readline() if line == 'CMIF video 1.0\n': @@ -170,13 +172,19 @@ class VinFile: self.c0bits, self.c1bits, self.c2bits, self.offset, \ self.chrompack) - # rewind() raises Error if the header is bad (which can only + # reopen() raises Error if the header is bad (which can only # happen if the file was written to since opened). - def rewind(self): + def reopen(self): self.fp.seek(0) x = self.initfp(self.fp, self.filename) + def rewind(self): + if self.hascache: + self.frameno = 0 + else: + self.reopen() + def position(self): if self.frameno >= len(self.framecache): raise EOFError @@ -191,7 +199,7 @@ class VinFile: data, chromdata = self.getnextframedata(size, chromsize) return time, data, chromdata - def getnextframedata(self, (size, chromsize)): + def getnextframedata(self, size, chromsize): if self.hascache: self.position() self.frameno = self.frameno + 1 @@ -210,7 +218,7 @@ class VinFile: self.skipnextframedata(size, chromsize) return time - def skipnextframedata(self, (size, chromsize)): + def skipnextframedata(self, size, chromsize): if self.hascache: self.frameno = self.frameno + 1 return @@ -262,7 +270,7 @@ class VinFile: self.showframe(data, chromdata) return time - def showframe(self, (data, chromdata)): + def showframe(self, data, chromdata): w, h, pf = self.width, self.height, self.packfactor if not self.colormapinited: self.initcolormap() @@ -297,9 +305,11 @@ class VinFile: gl.cmode() gl.gconfig() self.skipchrom = 0 - sys.stderr.write('Initializing color map...') + if not self.quiet: + sys.stderr.write('Initializing color map...') self.initcmap() - sys.stderr.write(' Done.\n') + if not self.quiet: + sys.stderr.write(' Done.\n') if self.offset == 0: gl.color(0x800) gl.clear() @@ -428,6 +438,11 @@ class VoutFile: self.fp.close() x = self.initfp(None, None) + def getinfo(self): + return (self.format, self.width, self.height, self.packfactor,\ + self.c0bits, self.c1bits, self.c2bits, self.offset, \ + self.chrompack) + def setinfo(self, values): self.format, self.width, self.height, self.packfactor,\ self.c0bits, self.c1bits, self.c2bits, self.offset, \ @@ -443,7 +458,7 @@ class VoutFile: if self.format == 'rgb': data = ('rgb', 0) elif self.format == 'grey': - data = ('grey', 0) + data = ('grey', self.c0bits) else: data = (self.format, (self.c0bits, self.c1bits, \ self.c2bits, self.chrompack, self.offset)) |